A. Lange & Söhne · Lange 1

Strap for Lange 1 White Gold MOP / Bracelet

Takes 20 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width20 mm
Case diameter39 mm
Reference160.029
FamilyLange 1
MovementA. Lange & Söhne caliber L901.4 Hours, Minutes, Small Seconds | Power Reserve Indicator
CaseWhite Gold

Spring bar

Swiss Standard universal spring bars

The right category for this model · 316L steel, all lug widths 13–26 mm

Straps for the Lange 1 160.029

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The Lange 1 160.029, seen from the bench

The Lange 1 was introduced in 1994 as the first model of A. Lange & Söhne's post-war renaissance. It features the in-house caliber L901.4 manual-winding movement with power reserve indicator and off-center small seconds. The watch has 20mm lugs and the characteristic asymmetric dial with unconventional layout of the functions.

Frequently asked questions

What is the lug width of the A. Lange & Söhne Lange 1 160.029?

The Lange 1 160.029 features a 20 mm lug width. This measurement refers to the precise space between the two lugs where the strap attaches to the case – not the overall diameter of the case (38.50 mm). Always measure your lugs with a calliper before ordering an aftermarket strap.

Which strap is most suitable for the Lange 1 160.029?

Alligator leather in cream or écru remains the most natural choice: the regular grain texture harmonises perfectly with the white gold case and Glashütte aesthetic. Shell cordovan is an alternative for those who appreciate a patina that develops over time. Vegetable-tanned calf leather offers a balance between formality and everyday wearability, aging towards honey or tobacco tones.

How do I change the strap on my A. Lange & Söhne Lange 1 160.029?

Strap replacement requires no special tools if your case has quick-release lugs (click system). If the lugs are fixed, a specialised pin extractor is necessary. For a watch of this calibre, we recommend entrusting the operation to a certified watchmaker, especially if the strap is a bespoke creation.

Can I use an aftermarket-compatible strap with the Lange 1 160.029?

Yes, provided the lug width is exactly 20 mm and the pins are compatible with your case's attachment system. An artisanal strap of quality – in alligator or cordovan – can further elevate the aesthetic value of your 160.029. Always consult the manufacturer to verify technical compatibility before purchasing.

How long does a leather strap last on the Lange 1 160.029?

A fine leather strap – alligator, shell cordovan, vegetable-tanned calf – typically lasts 3–5 years with regular use, depending on sun exposure, perspiration, and humidity. Shell cordovan and vegetable-tanned leather improve with age, developing patina. Alligator maintains its consistency. With periodic maintenance (gentle cleaning, annual conditioning), longevity increases significantly.

The next step

The right strap isn't chosen. It is built, together.

From the atelier appointment to delivery, every step is made for those who know that things done well take time. Rare leathers, one piece at a time, eighteen months of warranty.

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Casati Milano · Via XX Settembre 15, Milan · by appointment only